Eugene p



(No Model.) E. P. ELLIS.

Maohige vforl Filing Saws.

NO. 238,872. Patented March 15,1881.

' ATTGRNBYS.

N. PETERS. FHONUTHOGRAFHR, WASHINGTON. |16.

UNITED STATES PATENT OFFICE.

EUGENE I?. ELLIS, OF EMPORIA, KANSAS, ASSIGNOR OF ON E-FOURTH TO JAMES S. OONWELL.

MACHINE FOR FILING SAWS.

SPECIFICATION forming part of Letters Patent No. 238,872= dated March 15, 1881.

Application led July 9, 1880. (No model.)

To all whom it may concern Be it known that I, EUGENE P. ELLIS, or' Emporia, in the county of Lyon and State of Kansas, have invented a new and Improved Machine for Filing Saws, of which the following is a specification.

The object of this invention is to provide a simple saw-filing machine that is readily adjustable for any desired rake, bevel, and depth of tooth, and for any length of ile.

Figure l is a perspective view of the device. Fig. 2 is a sectional side elevation of the same. Fig. 3 is a longitudinal elevation of the sawgage. y

Similar letters of reference indicate corresponding parts.

In the drawings, A represents the clamp, consisting of two strips of wood, A' A', held together with screws a a.

B is a saw held by the clamp A.

A" A" are two plates of band-iron, secured on the faces of the clamp-sections A A' for the purpose of holding the saw B more firmly, and also to afford anges for the standard C to grasp-and slide upon.

The standard C consists of a head-block, C', supported on four spreading legs, b' b', said legs b' b' having theirv feet rigidly connected in pairs with the grooved slides b" b, that grasp the opposite edges of the iron plates A". The head-block C is bored longitudinally, as shown at c, and is provided with amilled-headed screw, C", that is entered vertically through the top of said block G' into the bore o.

D is the circular dial case or frame, having a long round handle, D', which is entered into the bore c of the head-block G', and there held by the screw C" parallel with and above the saw B, so-that said dial case or frame D may be rotated and moved in and out at will from said head-block C'. The dial case or frame D is a ring provided with an interior annular shoulder, d, and on its upper edge with a numbered graduated scale or index, d', indicative of the different bevels that may be given to the teeth of the saw to be operated upon.

G is the dial-plate inserted in the frame D and resting on theshoulder d, said dial-plate Gr having a straight line, f, drawn on its face through its center centrally above and parallel with the socket or sleeve G', which latter is attached to the dial-plate G by the bolts G" G", that extend from the side lugs, f', of said sleeve G' up through said plate G on either side of the linef, and have socketed nuts f" screwed on their ends. The spiral springs g g, encircling the said bolts G" G", have each one end engaged in the socket of a nut,f", and the other end resting in a socket, g', about the bolts G" G" in the dial-plate G. Said springs g g serve to prevent any drag of the saw-le on the back-stroke by lifting the socket or sleeve G', and the IIIe-frame H, that is supported therein. A milled-headed set-screw, G', is entered horizontally through the dial case or frame D, against the edge of the dial-plate Gr, and may be loosenedl to permit the rotation ot' said plate G andits attachments, and be tightened to hold them at the desired angle for the required bevel of the saw-teeth.

The file-frame H consists of a straight hat bar, It, which is entered through the socket or sleeve G', one end of said bar h being curved downward and having fastened to it parallel with the bar It the handle h', in the inner end of which is a socket, h", for the reception of the tang of the tile I. A sliding clamp, K, is fitted over the other end of the bar It, and is adjustably held. by a set-screw, k, and said clamp K extends below said bar h, so that the transverse threaded bore 7c' in the end of said clamp K shall be on a level with thebore of the socket h" in the handle h', and through this bore lo' is screwed the adjusting file-handle L, which has in its end a socket, k, for the reception of the end of the le I.

M represents a gage to be used as a guide in setting the file I atany desired rake.

This device is adjustable in rake by means of loosening the iile I by turning the handle L and setting the ile I at` any angle on the gage M, and then turning the handle L up so as to force the tang of the le I into the socket h" of the handle h', thereby making said le I lirm and stationary.

rIhe device is adjustable to any bevel required on the teeth of the saw B by rotating the dial: plate G in the case or frame D until the line f shall rest in line with the graduation d that indicates the desired bevel, and then seonrin g said plate G by setting the screw G".

The device is also adjustable to any required depth of saw-tooth by turning up or down the nutsff. After the'saw B is fixed in the clamp A as evenly as possible the nuts f f are turned up or down, and the tile I is thereby permitted to be raised or lowered until the required depth of tooth or proper elevation of le I is obtained.

By adjustment of the clamp K on the bar h of the file-frame H tiles of any length may be used with this device.

The flle I is also adjustable at any angle to the saw-teeth by revolving` the dial ease or frame D in the head-block C', and holding it in position by setting the screw C down on the case-handle D. The action of the spiral springs g in lifting the ijle I on the back-stroke, and thereby preventing its dragging, makes the le last much longer than in ordinary cases and do better work.

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, isv l. In a saw-filer, the combination, with the sliding standard C, provided with setscrew C, ofthe dial case and handle D D', respectively, dial-plate G, providedwith bolts G G, having nutsfff and spiral springs g g, and sleeve G', set-screw G", le-frame H, sliding clamp K, and handle L, substantially as herein shown and described. Y

2. In a saW-ler, the combination, with the adjustable dial-plate G, sleeve G', bolts G G", having nuts ff" and spiral springs g g, of

the file-frame H, provided with sliding clamp K and adjustable tile-handle L, substantially as herein shown and described.

EUGENE P. ELLIS.

Witnesses:

IsAIAH JoNEs, LON MorE. 

